@article{fdi:010068249, title = {{T}he {N}eogene rise of the tropical {A}ndes facilitated diversification of wax palms ({C}eroxylon : {A}recaceae) through geographical colonization and climatic niche separation}, author = {{S}anin, {M}. {J}. and {K}issling, {W}. {D}. and {B}acon, {C}. {D}. and {B}orchsenius, {F}. and {G}aleano, {G}. and {S}venning, {J}. {C}. and {O}livera, {J}. and {R}amirez, {R}. and {T}renel, {P}. and {P}intaud, {J}ean-{C}hristophe}, editor = {}, language = {{ENG}}, abstract = {{T}he tropical {A}ndes are a biodiversity hotspot, partly due to their rich and complex floristic composition. {A} fundamental question regarding this outstanding biodiversity is what role the {A}ndean orogeny has played in species diversification. {C}eroxylon is a genus of endemic {A}ndean palms that stands out in the palm family ({A}recaceae) due to its adaptation to cold, mountainous environments. {H}ere, we reconstruct the biogeography and climatic preference of this lineage to test the hypothesis that {A}ndean uplift allowed diversification by providing suitable habitats along climatic and elevational gradients. {A}ncestral areas were reconstructed under a model allowing for founder-event speciation and climatic niches were inferred from climatic variables at present-day occurrences of all species. {N}iche evolution in a phylogenetic framework was evaluated by testing differences between the climatic niches of clades. {O}ur analyses identified four main clades, with a general pattern of diversification through geographical colonization from south to north after the {P}liocene uplift of the northern {A}ndes. {A}daptation to low temperatures was conserved at the generic level, with climatic niche differentiation among clades along elevational temperature gradients. {W}e conclude that the {N}eogene {A}ndean uplift has facilitated the diversification of this iconic plant group via opportunities for geographical migration and separation within its climatic niche.}, keywords = {cold adaptation ; {M}iocene ; {N}eotropics ; niche shift ; phylogenetic niche ; conservatism ; range expansion ; {VENEZUELA} ; {COLOMBIE} ; {EQUATEUR} ; {PEROU} ; {BOLIVIE} ; {ANDES} ; {ZONE} {TROPICALE}}, booktitle = {{P}alms : emblems of tropical forests}, journal = {{B}otanical {J}ournal of the {L}innean {S}ociety}, volume = {182}, numero = {2 (no sp{\'e}cial)}, pages = {303--317}, ISSN = {0024-4074}, year = {2016}, DOI = {10.1111/boj.12419}, URL = {https://www.documentation.ird.fr/hor/fdi:010068249}, }